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1/* SPDX-License-Identifier: MIT */2 3#ifndef _DRM_APERTURE_H_4#define _DRM_APERTURE_H_5 6#include <linux/types.h>7 8struct drm_device;9struct drm_driver;10struct pci_dev;11 12int devm_aperture_acquire_from_firmware(struct drm_device *dev, resource_size_t base,13 resource_size_t size);14 15int drm_aperture_remove_conflicting_framebuffers(resource_size_t base, resource_size_t size,16 const struct drm_driver *req_driver);17 18int drm_aperture_remove_conflicting_pci_framebuffers(struct pci_dev *pdev,19 const struct drm_driver *req_driver);20 21/**22 * drm_aperture_remove_framebuffers - remove all existing framebuffers23 * @req_driver: requesting DRM driver24 *25 * This function removes all graphics device drivers. Use this function on systems26 * that can have their framebuffer located anywhere in memory.27 *28 * Returns:29 * 0 on success, or a negative errno code otherwise30 */31static inline int32drm_aperture_remove_framebuffers(const struct drm_driver *req_driver)33{34 return drm_aperture_remove_conflicting_framebuffers(0, (resource_size_t)-1,35 req_driver);36}37 38#endif39